Home / 208,705.64-288,013.77-118,059.66

Finding the Fourth Proportional to 208,705.64, 288,013.77 and 118,059.66

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Solution

The fourth proportional to 208,705.64, 288,013.77 and 118,059.66 is: 162,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,705.64 : 288,013.77 = 118,059.66 : x
  2. Step 2: Convert to fraction form
    208,705.64/288,013.77 = 118,059.66/x
  3. Step 3: Cross multiply
    208,705.64x = 288,013.77 × 118,059.66
  4. Step 4: Simplify right side
    208,705.64x = 34,002,807,761.52
  5. Step 5: Solve for x
    x = 34,002,807,761.52/208,705.64
  6. Step 6: Final answer
    x = 162,922.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.